diff --git a/traffic_control/admin/plan.py b/traffic_control/admin/plan.py
index a3e5a809..c353683b 100644
--- a/traffic_control/admin/plan.py
+++ b/traffic_control/admin/plan.py
@@ -37,6 +37,7 @@ class PlanAdmin(
                     "decision_id",
                     "diary_number",
                     "drawing_numbers",
+                    "decision_url",
                     "source_id",
                     "source_name",
                 )
@@ -57,6 +58,7 @@ class PlanAdmin(
         "updated_by",
     )
     ordering = ("-created_at",)
+    search_fields = ("decision_id", "diary_number", "drawing_numbers")
 
     def get_urls(self):
         urls = super().get_urls()